Merge pull request #154 from force-h2020/fix-incorrect-initialization-of-py3

Fixed incorrect initialization for python 3 environments

.travis.yml

@@ -19,6 +19,6 @@ script:
     - edm run -e force-bootstrap -- python -m ci docs --python-version ${PYTHON_VERSION}
 after_success:
     - edm run -e force-bootstrap -- python -m ci coverage --python-version ${PYTHON_VERSION}
-    - edm run -e force-bootstrap -- pip install codecov --python-version ${PYTHON_VERSION}
+    - edm run -e force-bootstrap -- pip install codecov
     - edm run -e force-bootstrap -- codecov
     - bash <(curl -s https://codecov.io/bash)

ci/__main__.py

@@ -50,7 +50,8 @@ def build_env(python_version):
         "edm", "environments", "remove", "--purge", "--force",
         "--yes", env_name])
     check_call(
-        ["edm", "environments", "create", env_name])
+        ["edm", "environments", "create", "--version", python_version,
+         env_name])
 
     check_call([
         "edm", "install", "-e", env_name,